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Annotation of 43BSDReno/usr.sbin/sendmail/src/convtime.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Eric P. Allman
        !             3:  * Copyright (c) 1988 Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms are permitted provided
        !             7:  * that: (1) source distributions retain this entire copyright notice and
        !             8:  * comment, and (2) distributions including binaries display the following
        !             9:  * acknowledgement:  ``This product includes software developed by the
        !            10:  * University of California, Berkeley and its contributors'' in the
        !            11:  * documentation or other materials provided with the distribution and in
        !            12:  * all advertising materials mentioning features or use of this software.
        !            13:  * Neither the name of the University nor the names of its contributors may
        !            14:  * be used to endorse or promote products derived from this software without
        !            15:  * specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  */
        !            20: 
        !            21: #ifndef lint
        !            22: static char sccsid[] = "@(#)convtime.c 5.4 (Berkeley) 6/1/90";
        !            23: #endif /* not lint */
        !            24: 
        !            25: # include <ctype.h>
        !            26: # include "useful.h"
        !            27: 
        !            28: /*
        !            29: **  CONVTIME -- convert time
        !            30: **
        !            31: **     Takes a time as an ascii string with a trailing character
        !            32: **     giving units:
        !            33: **       s -- seconds
        !            34: **       m -- minutes
        !            35: **       h -- hours
        !            36: **       d -- days (default)
        !            37: **       w -- weeks
        !            38: **     For example, "3d12h" is three and a half days.
        !            39: **
        !            40: **     Parameters:
        !            41: **             p -- pointer to ascii time.
        !            42: **
        !            43: **     Returns:
        !            44: **             time in seconds.
        !            45: **
        !            46: **     Side Effects:
        !            47: **             none.
        !            48: */
        !            49: 
        !            50: time_t
        !            51: convtime(p)
        !            52:        char *p;
        !            53: {
        !            54:        register time_t t, r;
        !            55:        register char c;
        !            56: 
        !            57:        r = 0;
        !            58:        while (*p != '\0')
        !            59:        {
        !            60:                t = 0;
        !            61:                while (isdigit(c = *p++))
        !            62:                        t = t * 10 + (c - '0');
        !            63:                if (c == '\0')
        !            64:                        p--;
        !            65:                switch (c)
        !            66:                {
        !            67:                  case 'w':             /* weeks */
        !            68:                        t *= 7;
        !            69: 
        !            70:                  case 'd':             /* days */
        !            71:                  default:
        !            72:                        t *= 24;
        !            73: 
        !            74:                  case 'h':             /* hours */
        !            75:                        t *= 60;
        !            76: 
        !            77:                  case 'm':             /* minutes */
        !            78:                        t *= 60;
        !            79: 
        !            80:                  case 's':             /* seconds */
        !            81:                        break;
        !            82:                }
        !            83:                r += t;
        !            84:        }
        !            85: 
        !            86:        return (r);
        !            87: }
        !            88: /*
        !            89: **  PINTVL -- produce printable version of a time interval
        !            90: **
        !            91: **     Parameters:
        !            92: **             intvl -- the interval to be converted
        !            93: **             brief -- if TRUE, print this in an extremely compact form
        !            94: **                     (basically used for logging).
        !            95: **
        !            96: **     Returns:
        !            97: **             A pointer to a string version of intvl suitable for
        !            98: **                     printing or framing.
        !            99: **
        !           100: **     Side Effects:
        !           101: **             none.
        !           102: **
        !           103: **     Warning:
        !           104: **             The string returned is in a static buffer.
        !           105: */
        !           106: 
        !           107: # define PLURAL(n)     ((n) == 1 ? "" : "s")
        !           108: 
        !           109: char *
        !           110: pintvl(intvl, brief)
        !           111:        time_t intvl;
        !           112:        bool brief;
        !           113: {
        !           114:        static char buf[256];
        !           115:        register char *p;
        !           116:        int wk, dy, hr, mi, se;
        !           117: 
        !           118:        if (intvl == 0 && !brief)
        !           119:                return ("zero seconds");
        !           120: 
        !           121:        /* decode the interval into weeks, days, hours, minutes, seconds */
        !           122:        se = intvl % 60;
        !           123:        intvl /= 60;
        !           124:        mi = intvl % 60;
        !           125:        intvl /= 60;
        !           126:        hr = intvl % 24;
        !           127:        intvl /= 24;
        !           128:        if (brief)
        !           129:                dy = intvl;
        !           130:        else
        !           131:        {
        !           132:                dy = intvl % 7;
        !           133:                intvl /= 7;
        !           134:                wk = intvl;
        !           135:        }
        !           136: 
        !           137:        /* now turn it into a sexy form */
        !           138:        p = buf;
        !           139:        if (brief)
        !           140:        {
        !           141:                if (dy > 0)
        !           142:                {
        !           143:                        (void) sprintf(p, "%d+", dy);
        !           144:                        p += strlen(p);
        !           145:                }
        !           146:                (void) sprintf(p, "%02d:%02d:%02d", hr, mi, se);
        !           147:                return (buf);
        !           148:        }
        !           149: 
        !           150:        /* use the verbose form */
        !           151:        if (wk > 0)
        !           152:        {
        !           153:                (void) sprintf(p, ", %d week%s", wk, PLURAL(wk));
        !           154:                p += strlen(p);
        !           155:        }
        !           156:        if (dy > 0)
        !           157:        {
        !           158:                (void) sprintf(p, ", %d day%s", dy, PLURAL(dy));
        !           159:                p += strlen(p);
        !           160:        }
        !           161:        if (hr > 0)
        !           162:        {
        !           163:                (void) sprintf(p, ", %d hour%s", hr, PLURAL(hr));
        !           164:                p += strlen(p);
        !           165:        }
        !           166:        if (mi > 0)
        !           167:        {
        !           168:                (void) sprintf(p, ", %d minute%s", mi, PLURAL(mi));
        !           169:                p += strlen(p);
        !           170:        }
        !           171:        if (se > 0)
        !           172:        {
        !           173:                (void) sprintf(p, ", %d second%s", se, PLURAL(se));
        !           174:                p += strlen(p);
        !           175:        }
        !           176: 
        !           177:        return (buf + 2);
        !           178: }

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